(Ringing in the new year like... damn, is it wrong we're still shipping Kara and Mon-El?)

Mon-El is suited and booted to help the Girl of Steel fight the destructive Kryptonian super-villain Reign.

Last year's dramatic mid-season finale finally saw Samantha Arias confront her inner turmoil and embrace her destiny as Reign, before a climactic battle with Supergirl left Kara Danvers' life hanging in the balance.